Veris Technologies pH Detector - Operating Instructions - Manual (Page 26)

OM17-pH Detector
4-4
3)
Verify that bottom jam nut on pivot rod hasn’t slipped. If hand lever does not move door,
retightening pivot rod jam nut is required. Retighten by holding top of rod with adjustable
wrench and tightening jam nut on lower end of pivot rod (Figure 7).
Figure 7a Figure 7b
Limit switches aren’t working properly:
-
activate manually to see if LED’s light; if LED’s do not light, check power and connections
-
if LED’s light, but are reversed from Figure 8, disconnect weather-pack connectors and re-connect
to other switch.
Figure 8 Figure 8b
-
If limit switch LED’s show switch is working, check adjustments: In raised position, lower switch
needs to be in activated position, as shown in Figure 9. To adjust, loosen bolt holding switch and
pivot to desire position.
Hold top of rod
with adjustable
wrench and
tighten jam nut
with 1/2” wrench
limit switches:
upper (#2)
lower (#1)